The Physics of Sound
Central idea: What is sound?
Enduring Understandings
  • Students will understand that sound is a form of energy.
  • Sound can be generated, it can move from one place to another, it can do work and it dissipates over time and distance.
Essential Questions
  • What is sound?
  • How does sound travel?
  • What are the properties of sound?
Content
  • Sound is caused by vibrations
  • Sounds have identifiable characteristics
  • Several variables affect pitch
  • Sound travels through liquids, solids and air
  • Our outer ears are designed to receive, focus and amplify sounds
Skills
  • Identify objects by the sound they make
  • Detect sound vibrations through a receiver
  • Compare different pitches and record observations
  • Compare how sound travels through different mediums
  • Synthesise learning by solving a challenge and presenting solutions




physics_of_sound.jpg
How_Sound_Travels_Diagram.gif
How stuff works
Knowitall
Click here to go to the Foss website
Here you will learn how sound is made and how sound travels through different materials. In the activites section, have fun comparing how sound travels in air and water.
Discovery Education videos on Sound
A First Look: Sound [17:00]
How is Sound Made? [02:29]
How Do Sound Waves Travel Through Different Materials? [01:43]
Sound Waves Can Bounce [00:47]
How Sounds Are Different [01:52]
Volume [00:44]
Pitch [01:08]
Making Your Own Musical Instruments [04:01]
Trombone [00:44]
Pan Flute [00:45]
Can Drums [01:07]usic [00:37]
How Vocal Cords Make Sounds [00:38]
Identifying Sounds Without Using Our Eyes [01:14]
Sound: A Review [01:18]
old Sound Pathfinder